Tube-corrugating machine.



No. 032,001. PATENTED SEPT. 25, 1906.

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UNITED STATES EMIL R. STASCH, OF OORNING. NEW YORK.

TUBE-CORRUGATING MACHINE.

Specification of Letters Patent.

Patented Sept. 25, 1906.

Application filed May 5, 1906.l Serial NoF 315,362.

To all whom, it may concern,.-

Be it known that I, EMIL R, STAscn, a citizen of the United States, residing at Corning, in the county of Steuben, State of New York, have invented certain new and useful Improvements in Tube -Oorrugating Machines, of which the following is a specification, reference being had therein to the accompanying drawings.

This invention relates to a tube-corrugating machine, and particularly to a structure involving a traveling mandrel and corrugating-rollers adapted to traverse the length of the tube or pipe to be corrugated.

The invention has for an object to provide an improved construction and arrangement of parts wherein the tube is held within a relatively fixed frame and the mandrel moves longitudinally over the tube and the coperating corrugating means traverse the outer surface of the tube and are so mounted as to permit their easy withdrawal in the return movement of the mandrel after the corrugating has been completed.

A further object of the invention is to provide means by which the upper supported end of the tube may be crimped or tapered to correspond with the corrugations thereon and to permit itsinsertionin an adjacent section when assembled.

Other and further objects and advantages of the invention will be hereinafter set forth and the novel features thereof defined by the appended claims.

1n the drawings, Figure 1 is an elevation of the machine. Fig. 2 is a detail vertical section of the tube-supporting head. Fig. 3 is a horizontal section on the line 3 3, Fig. 2. Fig. 4 is an enlarged section on the line 4 4, Fig. 1. Fig. 5 is a vertical section on the line 5 5, Fig. 4 g and Fig. 6 is a similar section on the line 6 6, Fig. 4.

Like numerals of reference indicate like parts throughout the several views of the drawings.

The numeral 1 designates standards or supporting-rods, which may be disposed either in a horizontal or vertical position, as found most convenient, and are here shown as disposed in a vertical position, which has been found desirable in the use of the invention. These rods are provided at one end with a fixed cross-bar 2, connecting the same, and slidingly mounted upon the rods 1 is the carriage 3 for supporting the mandrel 4, which is provided with the stem 5, extending back to the carriage. Cooperating corrugating-rollers 6 or other means for that purpose are supported upon a cross-frame 7 connected with the carriage 3 by means of the rods 8, so as to travel therewith upon the supportingrods 1. Any desired means may be used for producing the travel of this carriage-for instance, cables 9 extending from the carriage over` suitable pulleys 10, carried by the crossbar 2, and thence to winding-drums 11, carried by the shaft 12 for operating the same. For the purpose of permitting the introduction of the tube upon the mandrel 4, the carriage is supported upon springs 13 at one end, so that it can be withdrawn'to permit the introduction of the tube 14'in position, when it will automatically return to engage the end thereof and support it in its centered relation.

The corrugating means comprise a series of balls or rollers 15, mounted in any suitable manner in the mandrel 4 and at suitable in-A tervals apart to provide the necessary space to receive the cooperating corrugating devices 6 which in the present instance are shown as rollers 16, so disposed as to force the material of the tube inward toward the mandrel between each ofthe series of balls 15 thereon. The mandrel is also provided with a flat face 17, upon which the seam 18 of the tube is adapted to be disposed, and this seam is closed and properly finished by means of the seaming-roller 19, mounted in the pivoted carrier 20 upon the cross-frame 7. Each of the rollers 16 is similarly mountedin the carriers 2 1, these several carriers having their pivots 22 at their ends farthest from the mandrel 4, so that in the return of the carriage with the mandrel the carriers are adapted to swing outward, so as to remove any frictional contact of the rollers with the tube.

At one end of the machine a supportinghead 23 is provided, over which the tube is placed when inserted, this head being carried by a frame 24, mounted at its opposite ends to slide upon the rods 1 and-held in contact with the cross-bar 2 by means of the tensionsprings 25, extending between the frame and the caps 26, carried by the rods, This holding-block may be corrugated to correspond with the mandrel, as shown inv Fig'. 3, and is adapted to coperate with the crimping-jaws 27 of any desired character, which are secured upon the inner face of the cross-bar 2- for instance, as shown in Fig. 3, where they are pivoted together at 28 and provided with IOC IIO

a closing mechanism, as indicated at 29, so as to engage the end of the tube and bring it into contact with the head-block 23, thus completing the corrugation thereof and also tapering the same inwardly, so as to fit within the cooperating section.

In the operation of the invention the tube to be corrugated is inserted in the machine, so that one end embraces the head 23, while the carriage is withdrawn against the tension of the springs, so as to permit the mandrel to enter the opposite end of the tube with the corrugating-rollers in the position shown in Figs. 5 and 6. The springs now hold the parts in their adjusted position relative to the tube, and the power is applied so as to cause the corrugating devices to traverse the length of the tube, and as they approach the opposite end thereof the mandrel strikes the head 23, forcing the same backward away from the tube, so as to carry the corrugations as'near as possible to the end of the tube. The complete corrugating to the end of the tube cannot be accomplished, owing to the position of the rolls, and for this purpose the crimping device is provided and after the withdrawal of the corrugating means is closed upon the tube to continue the corrugation thereof up to the end and force said end slightly inward to produce a tapered structure. The crimping device is then released and the carriage completely withdrawn, so as to allow the ready removal of the tube from the mandrel. It will be seen that this invention provides a simple, efficient, and economical construction of machine for effecting the corrugation of tube-sections.

Having now described my invention and set forth its merits, what I claim, and desire to secure by Letters Patent, is-

1. In a tube-corrugating machine, tubesupporting means, a carriage, a mandrel carried by said carriage, and coperating corrugating devices supported from said carriage to traverse the outer surface of the tube in fixed relation to the traveling mandrel.

2. In a tube-corrugating machine, tubesupporting means, a carriage, a mandrel carried by said carriage, coperating corrugating devices supported from the carriage to traverse the outer surface of the tube in iiXed relation to the traveling mandrel, and pivoted carriers for said devices to permit their movement away from the mandrel in one direction of travel of the carriage.

3. In a t'ube-corrugating machine, tubesupporting means, a carriage, a mandrel carried by said carriage, coperating corrugating devices supported from the carriage to traverse the outer surface of the tube in fixed relation to the traveling mandrel, and a crimping device adapted to embrace the supported end of the tube toward which the mandrel travels.

4. In a tube-corrugating machine, tubesupporting means, a carriage, a mandrel carried by said carriage, cooperating corrugating devices supported from the carriage to traverse the outer surface of the tube, a crimping device adapted to embrace one supported end of the tube, a head adapted to enter said supported end, and means for yieldingly supporting said head in position.

5. In a tube-corrugating machine, tubesupporting means, a carriage, a mandrel carried by said carriage, coperating corrugating devices supported from the carriage to traverse the outer surface of the tube, and means for yieldingly forcing said carriage toward the tube-holding means.

6. In a tube-corrugating machine, supporting-rods provided with a cross-head, a tube-support carried by said cross-head, a carriage slidingly mounted upon said rods, a mandrel provided with a stem mounted upon said carriage, and cooperating corrugatingrolls supported from the carriage to travel with said mandrel.

7. In a tube-corrugating machine, supporting-rods provided with a cross-head, a tube-support carried by said cross-head, a carriage slidingly mounted upon said rods, a mandrel provided with a stem mounted upon said carriage, coperating corrugating-rolls supported from the carriage to travel with said mandrel, a seaming-face upon said mandrel, and a seaming-roller cooperating with said face.

8. In a tube-corrugating machine, supporting-rods provided with a cross-head, a tube-support carried by said cross-head, a carriage slidingly mounted upon said rods, a mandrel provided with a stem mounted upon said carriage, cooperating corrugating-rolls supported from the carriage to cooperate with said mandrel, supporting-springs for said carria e carried by one end of the supporting-rocA s, and means for actuating said carriage upon said rods.

9. In a tube-corrugating machine, supporting-rods provided with a cross-head, a tube-support carried by said cross-head, a carriage slidingly mounted upon said rods, a mandrel provided with a stem mounted upon said carriage, coperating corrugating-rolls supported from the carriage to coperate with said mandrel, supporting-springs for said carriage carried by one end of the supporting-rods, means for actuating said carriage upon said rods, a yieldingly-supported head carried by the rods at the opposite end from the carriage, and a corrugating device surrounding said head.

10. In a'tube-corrugating machine, supporting-rods provided with a cross-head, a tube-support carried by said cross-head, a carriage slidingly mounted upon said rods, a mandrel provided with a stem supported upon said carriage, cooperating corrugatingrolls supported from the carriage to coper- IOO IIO

ate with said mandrel, supporting-springs for said carriage carried by one end of the supporting-rods, means for actuating said carriage upon said rods, a yieldingly-supported head carried by the rods at the opposite end from the carriage, cooperating corrugating-jaws having inclined inner faces adjacent to said head, and means for moving said jaws toward and from the head.

l1. In a tube-corrugating machine, a carriage, a mandrel carried thereby and provided with longitudinally-disposed series of balls mounted thereon, and cooperating rollers supported by the mandrel-carriage intermediate each series of balls.

l2. In a tube-corrugating machine, a tubesupport, a carriage, a mandrel supported upon said carriage, coperating corrugating devices to traverse the outer surface of a tube, and carriers for said devices pivotally zo EMIL R. STASOH.

Witnesses:

F. C. WILLIAMS, W. J. CHENEY. 

